html,body{
	height:100%;
	overflow: hidden;
}
.box{
	margin-top: 20%;
	width: 100%;
	text-align: center;
}
.box button{
	width: 60%;
	height: 40px;
}
.questionitem{
	width: 60%;
	margin-left: 20%;
	margin-bottom: 30px;
}
.questionitem input{
	height: 40px;
}
